mkfile Create one or more empty files of any size. Create an empty file of 15 kilobytes: mkfile -n {{15k}} {{filename}} Create a file of a given size and unit (bytes, KB, MB, GB): mkfile -n {{size}}{{b|k|m|g}} {{filename}} Create two files of 4 megabytes each: mkfile -n {{4m}} {{first_filename}} {{second_filename}}